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<?php // $Id: exceptions.php,v 1.9 2005/10/30 22:16:41 skodak Exp $
require_once("../config.php");
require_once("lib.php");
$id = required_param('id'); // course id
$action = optional_param('action', '');
if (!$course = get_record('course', 'id', $id)) {
error('No course ID');
}
require_login($course->id);
if (!isteacher($course->id)) {
error(get_string('notteachererror', 'grades'));
}
$group = get_current_group($course->id);
print_header("$course->shortname: ".get_string('grades'), "$course->fullname", grade_nav($course, $action));
grade_preferences_menu($action, $course, $group);
grade_set_uncategorized();
/// We are in editing mode. First, process any inputs there may be.
if ($data = data_submitted()) {
// make sure it is safe to process data
if (!empty($USER->id)) {
if (!confirm_sesskey()) {
error(get_string('confirmsesskeybad', 'error'));
}
}
if (!empty($data->nonmembersadd)) { /// Add people to a grade_item
if (!empty($data->nonmembers) and !empty($data->grade_itemid)) {
$grade_itemmodified = false;
foreach ($data->nonmembers as $userid) {
$record->courseid = $course->id;
$record->grade_itemid = $data->grade_itemid;
$record->userid = $userid;
if (!record_exists('grade_exceptions','courseid',$course->id,'grade_itemid',$data->grade_itemid,'userid',$userid)) {
if (!insert_record('grade_exceptions', $record)) {
notify(get_string('addexceptionerror','grades').$userid.':'.$data->grade_itemid);
}
}
$grade_itemmodified = true;
}
}
$selectedgrade_item = $data->grade_itemid;
} else if (!empty($data->membersremove)) { /// Remove selected people from a particular grade_item
if (!empty($data->members) and !empty($data->grade_itemid)) {
foreach ($data->members as $userid) {
delete_records('grade_exceptions', 'userid', $userid, "grade_itemid", $data->grade_itemid, 'courseid', $course->id);
}
}
$selectedgrade_item = $data->grade_itemid;
}
}
/// Calculate data ready to create the editing interface
$strgradeitemnonmembers = get_string('gradeitemnonmembers','grades');
$strgradeitemmembersselected = get_string('gradeitemmembersselected','grades');
$strgradeitemremovemembers = get_string('gradeitemremovemembers','grades');
$strgradeiteminfomembers = get_string('gradeiteminfomembers','grades');
$strgradeitemadd = get_string('gradeitemadd','grades');
$strgradeitemremove = get_string('gradeitemremove','grades');
$strgradeiteminfo = get_string('gradeiteminfo','grades');
$strgradeiteminfopeople = get_string('gradeiteminfopeople','grades');
$strgradeitemrandomassign = get_string('gradeitemrandomassign','grades');
$strgradeitemaddusers = get_string('gradeitemaddusers','grades');
$strgradeitems = get_string('gradeitems','grades');
$courseid = $course->id;
$listgrade_items = array();
$listmembers = array();
$nonmembers = array();
$grade_items = array();
$grade_items = get_records('grade_item', 'courseid', $course->id);
$grade_itemcount = count($grade_items);
// we need to create a multidimensional array keyed by grade_itemid with all_students at each level
if (isset($grade_items)) {
foreach($grade_items as $grade_item) {
$nonmembers[$grade_item->id] = array();
if ($students = get_course_students($course->id)) {
foreach ($students as $student) {
$nonmembers[$grade_item->id][$student->id] = fullname($student, true);
}
unset($students);
}
}
}
if ($grade_items) {
foreach ($grade_items as $grade_item) {
$modname = get_record('modules', 'id', $grade_item->modid);
$itemname = get_record($modname->name, 'id', $grade_item->cminstance, 'course', $course->id);
$grade_item->name = $itemname->name;
$countusers = 0;
$listmembers[$grade_item->id] = array();
if ($grade_itemexceptions = grade_get_grade_item_exceptions($grade_item->id)) {
foreach ($grade_itemexceptions as $grade_itemexception) {
$listmembers[$grade_item->id][$grade_itemexception->userid] = $nonmembers[$grade_item->id][$grade_itemexception->userid];
unset($nonmembers[$grade_item->id][$grade_itemexception->userid]);
$countusers++;
}
}
$listgrade_items[$grade_item->id] = strip_tags(format_string($grade_item->name,true))." ($countusers)";
if (!isset($grade_item->name)) {
// these were items that have since been deleted
unset($listgrade_items[$grade_item->id]);
delete_records('grade_item', 'id', $grade_item->id);
delete_records('grade_exceptions', 'grade_itemid', $grade_item->id, 'courseid', $course->id);
}
natcasesort($listmembers[$grade_item->id]);
natcasesort($nonmembers[$grade_item->id]);
}
natcasesort($listgrade_items);
}
if (empty($selectedgrade_item)) { // Choose the first group by default
$selectedgrade_item = array_shift($temparr = array_keys($listgrade_items));
}
include('exceptions.html');
print_footer($course);
exit;
function grade_get_grade_item_exceptions($id) {
global $CFG;
global $course;
$sql = "SELECT ge.id, ge.userid FROM {$CFG->prefix}grade_exceptions ge, {$CFG->prefix}user_students us WHERE us.course=$course->id AND grade_itemid=$id AND ge.userid = us.userid AND us.course=ge.courseid";
$grade_exceptions = get_records_sql($sql);
return $grade_exceptions;
}
?>
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